.content {
    width: 100%;
    /*100%减去header的75px，再减去padding-top的250px*/
    height: calc(100% - 250px);
    background: #f2f2f2;
    position: relative;
    padding-top: 175px;
}

.info {
    font-family: '幼圆';
    width: 600px;
    height: 500px;
    margin: 0 auto;
    top: 100px;
}

h3 {
    display: inline;
}

table.gridtable {
    font-family: verdana, arial, sans-serif;
    font-size: 23px;
    font-family: '幼圆';
    color: #333333;
    border: 1px #666666;
    border-collapse: collapse;
    margin-bottom: 30px;
    margin-top: 15px;
}

table.gridtable th {
    padding: 8px;
    border: 1px solid #666666;
    background-color: #dedede;
}

table.gridtable td {
    padding: 8px;
    border: 1px solid #666666;
    background-color: #ffffff;
    white-space: nowrap;
}

span {
    text-decoration: none;
    color: cadetblue;
}

a {
    text-decoration: none;
    color: cadetblue;
}

.add_ad1, .add_ad2 {
    width: 300px;
    margin-bottom: 30px;
}

.add_ad1 input, .add_ad2 input {
    float: right;
}

.ad_bt1, .ad_bt2 {
    width: 150px;
    height: 30px;
    border: cadetblue;
    background: cadetblue;
    border-radius: 5px;
    color: white;
    font-family: '幼圆';
    font-size: 18px;
}

.copyrigit {
    width: 600px;
    height: 300px;
    margin: 0 auto;
}

.copyrigit p {
    margin-bottom: 15px;
    font-family: '幼圆', serif;
    font-size: 29px;
}

.copyrigit p:last-child {
    margin-top: 160px;
}

